Maths Flashcards
(13 cards)
1
Q
non-real numbers R’
A
square of ANY NEGATIVE NUMBER
2
Q
Rational Q
A
can be written as a fraction
3
Q
irrational Q’
A
non-recurring/terminating decimals. e.g 4,38973
squaring, NON-SQUARE NUMBERS / cubing NON-CUBE NUMBERS
4
Q
integers
A
positive & negative numbers + 0
5
Q
whole numbers
A
natural numbers + 0
6
Q
natural numbers
A
{1;2;3} no 0
7
Q
factor
A
can go into another no, w/ no remainder.
8
Q
prime
A
2 factors, 1 and itself
9
Q
composite
A
more than 2 factors
10
Q
HCF (highest common factor)
A
common bases only, lowest exponents
11
Q
LCM (lowest common multiple)
A
all bases, highest exponents
12
Q
product of 2 numbers
no. 1 x no. 2
18 x 24
=432
A
= product of HCF & LCM
HCF x LCM
6 x 72
=432
13
Q
A